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Erik A Ranheim, MD PHD

Hematology (Pathology) Physician in Madison, WI · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1275595456

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Registry record

Entity type Individual (Type 1)
Name Erik A Ranheim
Credential MD PHD
Sex Male
Practice address 600 Highland Ave, Madison, WI, 53792
Phone (608) 263-8437
Enumeration date Apr 4, 2006
Last updated in NPPES Jan 20, 2021

Taxonomy & licenses

207ZC0006X Clinical Pathology Physician Allopathic & Osteopathic Physicians · License 45293 (WI) Secondary
207ZI0100X Immunopathology Physician Allopathic & Osteopathic Physicians · License 45293 (WI) Secondary
207ZP0105X Clinical Pathology/Laboratory Medicine Physician Allopathic & Osteopathic Physicians · License 45293 (WI) Secondary
207ZH0000X Hematology (Pathology) Physician Allopathic & Osteopathic Physicians · License 45293 (WI) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Erik Ranheim?
The National Provider Identifier (NPI) for Erik Ranheim is 1275595456, a Type 1 (individual) record in the CMS NPPES registry.
Where does Erik Ranheim practice?
The practice location on file with NPPES is in Madison, WI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-01-20.